Universal flu vaccine will be here 'within 5 years'

January 16, 2015 9:07 AM

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In December 2014, Medical News Today reported that the Centers for Disease Control and Prevention (CDC) was urging "immediate vaccination" for anyone who has not had a flu shot for this season, as the flu season this year was predicted to be especially bad.

However, an increase in circulation of "drift variants" of A H3N2 influenza viruses resulted in the flu shot for this season - which was recommended by the World Health Organization (WHO) in February 2014 - being mismatched against the main circulating strains and was reportedly less effective.